| KO-D Six Man Tag Team Championship | Danshoku Dino, Jun Akiyama and Makoto Oishi | 16 Nov 2023 to 25 Apr 2024 | 162 |
| DDT Extreme Championship | Jun Akiyama | 04 Dec 2022 to 02 May 2023 | 150 |
| KO-D Openweight Championship | Jun Akiyama | 14 Feb 2021 to 20 Aug 2021 | 188 |
| All Asia Tag Team Championship | Jun Akiyama and Yuji Nagata | 03 Feb 2018 to 28 Jul 2018 | 176 |
| GAORA TV Championship | Jun Akiyama | 12 Mar 2017 to 14 Jul 2018 | 490 |
| Triple Crown Championship | Jun Akiyama | 01 Nov 2015 to 01 Jan 2016 | 62 |
| AJPW World Tag Team Championship | Jun Akiyama and Takao Omori | 06 Dec 2014 to 21 Mar 2015 | 106 |
| AJPW World Tag Team Championship | Jun Akiyama and Takao Omori | 28 Jun 2014 to 22 Oct 2014 | 117 |
| DDT Iron Man Heavy Metal Championship | Jun Akiyama | 25 May 2014 to 28 May 2014 | 4 |
| DDT Iron Man Heavy Metal Championship | Jun Akiyama | 17 May 2014 to 24 May 2014 | 8 |
| DDT Iron Man Heavy Metal Championship | Jun Akiyama | 29 Apr 2014 to 16 May 2014 | 18 |
| All Asia Tag Team Championship | Jun Akiyama and Yoshinobu Kanemaru | 26 Jan 2014 to 28 Apr 2014 | 93 |
| AJPW World Tag Team Championship | Go Shiozaki and Jun Akiyama | 17 Mar 2013 to 21 Oct 2013 | 219 |
| GHC Tag Team Championship | Akitoshi Saito and Jun Akiyama | 22 Jan 2012 to 21 Jul 2012 | 182 |
| Triple Crown Championship | Jun Akiyama | 23 Oct 2011 to 25 Aug 2012 | 308 |
| GHC Heavyweight Championship | Jun Akiyama | 01 Mar 2009 to 13 Jun 2009 | 105 |
| GHC Tag Team Championship | Jun Akiyama and Takeshi Rikio | 01 Apr 2007 to 12 Sep 2007 | 165 |
| GHC Heavyweight Championship | Jun Akiyama | 22 Jan 2006 to 08 Sep 2006 | 230 |
| GHC Hardcore Openweight Championship | Jun Akiyama | 18 Apr 2004 to 15 Oct 2004 | 181 |
| GHC Tag Team Championship | Akitoshi Saito and Jun Akiyama | 23 Sep 2002 to 05 Jun 2003 | 256 |
| GHC Heavyweight Championship | Jun Akiyama | 27 Jul 2001 to 06 Apr 2002 | 254 |
| AJPW World Tag Team Championship | Jun Akiyama and Kenta Kobashi | 23 Oct 1999 to 19 Feb 2000 | 120 |
| AJPW World Tag Team Championship | Jun Akiyama and Kenta Kobashi | 07 Jan 1999 to 08 Jun 1999 | 153 |
| AJPW World Tag Team Championship | Jun Akiyama and Mitsuharu Misawa | 23 May 1996 to 04 Sep 1996 | 105 |
| All Asia Tag Team Championship | Jun Akiyama and Takao Omori | 29 Jan 1995 to 08 Jan 1998 | 1076 |
